Home / 2,987,417.52-4,481,119.44-1,280,454

Finding the Fourth Proportional to 2,987,417.52, 4,481,119.44 and 1,280,454

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Solution

The fourth proportional to 2,987,417.52, 4,481,119.44 and 1,280,454 is: 1,920,678.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,987,417.52 : 4,481,119.44 = 1,280,454 : x
  2. Step 2: Convert to fraction form
    2,987,417.52/4,481,119.44 = 1,280,454/x
  3. Step 3: Cross multiply
    2,987,417.52x = 4,481,119.44 × 1,280,454
  4. Step 4: Simplify right side
    2,987,417.52x = 5,737,867,311,425.76
  5. Step 5: Solve for x
    x = 5,737,867,311,425.76/2,987,417.52
  6. Step 6: Final answer
    x = 1,920,678.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.